FILE - In this March 22, 2020 file photo distributed by Russian Defense Ministry Press Service, a military truck loads medical supplies for Italy on a board of an Il-76 cargo plane in Chkalovsky military airport outside Moscow, Russia. From tiny San Marino wedged next to two of Italy's hardest-hit provinces in the coronavirus outbreak to more economically powerful nations like Italy, countries are running up against export bans and seizures in the scramble for vital medical supplies. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (Alexei Yereshko, Russian Defense Ministry Press Service via AP)

An operator wearing a face mask to protect himself against the spread of Covid-19 stacks boxes of medical supplies from Chinese charity Jinde Charities at the Italian charity Caritas Ambrosiana logistic center in Burago, in Monza Brianza, northern Italy, Wednesday, April 1, 2020. From tiny San Marino wedged next to two of Italy's hardest-hit provinces in the coronavirus outbreak to more economically powerful nations like Italy, countries are running up against export bans and seizures in the scramble for vital medical supplies. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (Caritas Ambrosiana via AP)

Boxes of medical supplies from Chinese charity Jinde Charities are stacked upon arrival at the Italian charity Caritas Ambrosiana logistic center in Burago, in Monza Brianza, northern Italy, Wednesday, April 1, 2020. From tiny San Marino wedged next to two of Italy's hardest-hit provinces in the coronavirus outbreak to more economically powerful nations like Italy, countries are running up against export bans and seizures in the scramble for vital medical supplies. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. Writing in Italian on box at right reads "We help eachother to combat the epidempic. Clerics, faithful and friends of China unite in Jinde to help Italy." (Caritas Ambrosiana via AP)

In this photo taken March 27, 2020, the Italian flag hangs from the balcony of the French Embassy in Rome. From tiny San Marino wedged next to two of Italy's hardest-hit provinces in the coronavirus outbreak to more economically powerful nations like Italy, countries are running up against export bans and seizures in the scramble for vital medical supplies. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Alessandra Tarantino)

In this photo taken March 27, 2020, the Italian flag hangs from the balcony of the French Embassy in Rome. From tiny San Marino wedged next to two of Italy's hardest-hit provinces in the coronavirus outbreak to more economically powerful nations like Italy, countries are running up against export bans and seizures in the scramble for vital medical supplies. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Alessandra Tarantino)